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Camjayi, A.; Acha, C.; Weht, R.; Rodríguez, M.G.; Corraze, B.; Janod, E.; Cario, L.; Rozenberg, M.J. "First-order insulator-to-metal Mott transition in the paramagnetic 3D system GaTa4Se8" (2014) Physical Review Letters. 113(8)
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Abstract:

The nature of the Mott transition in the absence of any symmetry breaking remains a matter of debate. We study the correlation-driven insulator-to-metal transition in the prototypical 3D Mott system GaTa4Se8, as a function of temperature and applied pressure. We report novel experiments on single crystals, which demonstrate that the transition is of first order and follows from the coexistence of two states, one insulating and one metallic, that we toggle with a small bias current. We provide support for our findings by contrasting the experimental data with calculations that combine local density approximation with dynamical mean-field theory, which are in very good agreement. © 2014 American Physical Society.

Registro:

Documento: Artículo
Título:First-order insulator-to-metal Mott transition in the paramagnetic 3D system GaTa4Se8
Autor:Camjayi, A.; Acha, C.; Weht, R.; Rodríguez, M.G.; Corraze, B.; Janod, E.; Cario, L.; Rozenberg, M.J.
Filiación:Departamento de Física, FCEN, Ciudad Universitaria, 1428 Buenos Aires, Argentina
Gerencia de Investigación y Aplicaciones, Comisión Nacional de Energía Atómica (CNEA), Avenida General Paz y Constituyentes, 1650 San Martín, Argentina
Instituto Sábato, Universidad Nacional de San Martín-CNEA, 1650 San Martín, Argentina
Institut des Matériaux Jean Rouxel (IMN), Université de Nantes, CNRS, 2 rue de la Houssinière, 44322 Nantes, France
Laboratoire de Physique des Solides, CNRS-UMR8502, Université de Paris-Sud, Orsay 91405, France
Palabras clave:Mean field theory; 3d systems; Applied pressure; Dynamical mean-field theory; First order; Insulator to metal; Insulator-to-metal transitions; Mott transitions; Symmetry-breaking; Magnetic thin films
Año:2014
Volumen:113
Número:8
DOI: http://dx.doi.org/10.1103/PhysRevLett.113.086404
Título revista:Physical Review Letters
Título revista abreviado:Phys Rev Lett
ISSN:00319007
CODEN:PRLTA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00319007_v113_n8_p_Camjayi

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Citas:

---------- APA ----------
Camjayi, A., Acha, C., Weht, R., Rodríguez, M.G., Corraze, B., Janod, E., Cario, L.,..., Rozenberg, M.J. (2014) . First-order insulator-to-metal Mott transition in the paramagnetic 3D system GaTa4Se8. Physical Review Letters, 113(8).
http://dx.doi.org/10.1103/PhysRevLett.113.086404
---------- CHICAGO ----------
Camjayi, A., Acha, C., Weht, R., Rodríguez, M.G., Corraze, B., Janod, E., et al. "First-order insulator-to-metal Mott transition in the paramagnetic 3D system GaTa4Se8" . Physical Review Letters 113, no. 8 (2014).
http://dx.doi.org/10.1103/PhysRevLett.113.086404
---------- MLA ----------
Camjayi, A., Acha, C., Weht, R., Rodríguez, M.G., Corraze, B., Janod, E., et al. "First-order insulator-to-metal Mott transition in the paramagnetic 3D system GaTa4Se8" . Physical Review Letters, vol. 113, no. 8, 2014.
http://dx.doi.org/10.1103/PhysRevLett.113.086404
---------- VANCOUVER ----------
Camjayi, A., Acha, C., Weht, R., Rodríguez, M.G., Corraze, B., Janod, E., et al. First-order insulator-to-metal Mott transition in the paramagnetic 3D system GaTa4Se8. Phys Rev Lett. 2014;113(8).
http://dx.doi.org/10.1103/PhysRevLett.113.086404